<form action="upload.php" method="POST" enctype="multipart/form-data" id="upload">
    <input type="hidden" name="{echo $key}" value="my_files" />
    <input type="file" name="upfile" />
    <input type="submit" />
</form>
<span id="progress-txt"></span><br/>
<progress max="1" value="0" id="progress">

</progress>

<script src="/js/Upload.js?{echo time();}"></script>
